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Shunqian Zheng 347c83cfc9 rockchip: rk3399: add spi clock driver 
This patch implements spi clock driver and initialize
SPI flash rom for the baseboard gru.

There are 6 on-chip SPI controllers inside RK3399. For
SPI3, it's source clk from ppll, while the others from gpll.

Please refer to CRU session of TRM for detail.

BRANCH=none
BUG=chrome-os-partner:51537
TEST=emerge-kevin coreboot

Change-Id: I597ae2cc8ba1bfaefdfbf6116027d009daa8e049
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4c6a9b0aedd427727ed4f4a821c5c54fb3a174b9
Original-Change-Id: I68ad859bf4fc5dacaaee5a2cd33418c729cf39b8
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/338946
Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/14710
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2016-05-09 08:42:43 +02:00
..
broadcom/cygnus soc/*: fix uart's regwidth specification in cbtables 2016-02-21 12:26:05 +01:00
dmp/vortex86ex dmp/vortex86ex: Merge northbridge and southbridge into soc 2016-05-05 20:06:33 +02:00
imgtec/pistachio imgtec/pistachio: Fix memlayout ASSERT with new binutils 2016-04-21 07:16:06 +02:00
intel soc/intel/skylake: Enable another VR mailbox command for certain boards 2016-05-09 08:28:57 +02:00
marvell src/soc/marvell: Update license headers 2016-04-13 17:34:33 +02:00
mediatek/mt8173 soc/mediatek/mt8173: mt6391: vcore sleep voltage should be 0.7V 2016-05-09 08:36:57 +02:00
nvidia tegra124: Align the framebuffer's bytes-per-line to 32 2016-05-09 07:49:05 +02:00
qualcomm/ipq806x ipq806x/storm: Return NULL for cbmem_top if DRAM is not initialized 2016-03-29 22:37:01 +02:00
rdc/r8610 rdc/r8610: Move to src/soc 2016-05-05 20:08:58 +02:00
rockchip rockchip: rk3399: add spi clock driver 2016-05-09 08:42:43 +02:00
samsung soc/*: fix uart's regwidth specification in cbtables 2016-02-21 12:26:05 +01:00
ucb/riscv tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00